<template>
  <view>
    <view class="home_index">
      <view class="search-box">
        <my-search @click="gotoSearch"></my-search>
      </view>
      <!-- 轮播图 -->
      <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" circular="true" class="home_swiper">
        <swiper-item  v-for="(item,index) in swiperList" :key="index">
          <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
            <image :src="item.image_src" mode="widthFix"></image>
          </navigator>
        </swiper-item>
      </swiper>
      <!-- 分类导航 -->
      <view class="nav_list">
        <view class="nav_item" v-for="(item,i) in navList" @click="navClickHandler(item)">
          <image :src="item.image_src" mode="widthFix" class="nav_img"></image>
        </view>
      </view>
      <!-- 楼层 -->
      <view class="floor_list">
        <view class="floor_item" v-for="(item,i) in floorList" :key="i">
          <image :src="item.floor_title.image_src" mode="widthFix" class="floor-title"></image>
          <!-- 楼层图片区域 -->
          <view class="floor-img-box">
            <!-- 左侧大图片的盒子 -->
            <navigator class="left-img-box" :url="item.product_list[0].url">
              <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
            </navigator>
            <!-- 右侧 4 个小图片的盒子 -->
            <view class="right-img-box">
              <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
                <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
              </navigator>
            </view>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    mixins: [badgeMix],
    data() {
      return {
        swiperList:[],
        navList:[],
        floorList:[]
      }
    },
    onLoad() {
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
    methods: {
      async getSwiperList(){
        const {data:res}=await uni.$http.get('/api/public/v1/home/swiperdata')
        if(res.meta.status!==200) return uni.$showMsg()
        this.swiperList=res.message
      },
      async getNavList(){
        const {data:res}=await uni.$http.get("/api/public/v1/home/catitems")
        if(res.meta.status!==200) return uni.$showMsg()
        this.navList=res.message
      },
      navClickHandler(item){
        if(item.name==="分类"){
          uni.switchTab({
            url:"/pages/cate/cate"
          })
        }
      },
      async getFloorList(){
        const {data:res}=await uni.$http.get("/api/public/v1/home/floordata")
        if(res.meta.status!==200) return uni.$showMsg()
        res.message.forEach(floor=>{
          floor.product_list.forEach(prod=>{
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
        this.floorList=res.message
      },
      gotoSearch() {
        uni.navigateTo({
          url: '/subpkg/search/search'
        })
      },
    }
  }
</script>

<style>
image{
  width: 100%;
  height: 100%;
}  
.home_swiper{
  height: 330rpx;
}
swiper-item{
  width: 100%;
  height: 100%;
}
.nav_list{
  display: flex;
  justify-content: space-around;
  margin: 15px 0;
}
.nav_img{
  width: 128rpx;
  height: 140rpx;
}
.floor-title {
  height: 60rpx;
  width: 100%;
  display: flex;
}
.right-img-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.floor-img-box {
  display: flex;
  padding-left: 10rpx;
}
.search-box {
  // 设置定位效果为“吸顶”
  position: sticky;
  // 吸顶的“位置”
  top: 0;
  // 提高层级，防止被轮播图覆盖
  z-index: 999;
}
</style>
